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Avena sativa (Oat) kernel protein
AKA “Oat Kernel Protein”
Ingredient
Ingredient Facts
Avena sativa (Oat) kernel protein
AKA: Oat Kernel Protein
Ingredient · Film Forming · EWG: 1
Plant-Derived Synthetic
Occlusive
Skin Conditioner
Hair Care
Clean
Avena Sativa (Oat) Kernel Protein is a cosmetic ingredient used as film forming, hair conditioning, skin conditioning. Rated low hazard by EWG. Assessed as safe by the CIR.
CAS #
134134-87-5
Form
Powder
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Creates Protective Barrier
Conditions Hair
Conditions Skin
Antioxidant Protection
Reduces Inflammation
Wound Healing
Creates protective layer
Softens and detangles hair
Traditional Use
Derived from the protein-rich oat kernel, which has been valued in traditional skincare for its skin-conditioning and protective properties.
Skin Types
●all-skin-types, gentle
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR